Was Bob Kaiser a pitcher?

Yes. Bob Kaiser pitched in the major leagues, recording 0 wins and 4 strikeouts.

Bob Kaiser

Pitcher · Career Stats, Bio & Records (1971)

W–L 0–0

ERA 4.50

WHIP 1.83

SO 4

Position: Pitcher
Bats / Throws: B / L
Height / Weight: 5'10" / 175 lb
Born: 4/29/1950 in Cincinnati, OH, USA
MLB Debut: 1971-09-03
Last Game: 1971-09-18

Full name: Robert Thomas Kaiser

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Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
0	0	5	0	0	0	0	6.0	8	3	2	3	4	4.50	0.0

Career ERA 4.50 vs. league average 3.47 across their career seasons — 29.7% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1971	CLE	AL	0	0	5	0	0	0	0	6.0	8	3	3	4	4.50	—	0.0
Career · 1 season			0	0	5	0	0	0	0	6.0	8	3	3	4	4.50	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
5	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1971	CLE	AL	5	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
Career · 1 season			5	0	0	0	0	0	0	0	0	0	0	—	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (10 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	2	0	0	0	0	0	—
Away	3	0	0	0	0	0	—

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	2	2.0	3	1	0	0	4.50
Away	3	4.0	5	2	3	4	4.50

Last 5 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1971-09-18	CLE	NYY	—	2.0	2	0	0	1	2	0
1971-09-17	CLE	NYY	—	1.0	1	1	1	2	0	0
1971-09-16	CLE	BOS	—	1.0	2	1	1	0	0	1
1971-09-11	CLE	NYY	—	1.0	1	0	0	0	0	0
1971-09-03	CLE	BOS	—	1.0	2	1	1	0	2	1

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	5	0	0	1	0	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1971	CLE	P	5	0	0	1	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	5

Frequently Asked Questions about Bob Kaiser

Was Bob Kaiser a pitcher?: Yes. Bob Kaiser pitched in the major leagues, recording 0 wins and 4 strikeouts.